Triænophoras nodulosus with two heads, [105]

Trichina affinis, the so-called, [406]
"  spiralis, discovery of, in man, [194]
"    "  description of the mature, [153]
"    "  experiments conducted in England with, [157]
"    "  in relation to diseased meat, [166]
"    "  temperature necessary to kill the, [70]

Trichinidæ form a family of round worms, [5]

Trichinosis in animals, symptoms of, [163]
"  in England, an outbreak of, [169]
"  in Germany, outbreaks of, [168]

Trichocephalidæ, a family of round worms, [5]

Trichocephalus affinis in sheep, [349]
"   crenatus of the hog, [406]
"   dispar, description of the, [178]

Trichosoma, new species found by Solger, [456]

Tricuspidaria nodulosa, with two heads, [105]
"   (Triænophorus) nodulosa infesting fishes, [470]

Tristomes not strictly entozoa, [463]

Tristomidæ, a family of flukes, [4]